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2d441493a4
PR-URL: https://github.com/nodejs/io.js/pull/2286 Reviewed-By: Roman Reiss <me@silverwind.io>
21 lines
650 B
JavaScript
21 lines
650 B
JavaScript
var SetCache = require('./SetCache'),
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getNative = require('./getNative');
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/** Native method references. */
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var Set = getNative(global, 'Set');
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/* Native method references for those with the same name as other `lodash` methods. */
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var nativeCreate = getNative(Object, 'create');
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/**
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* Creates a `Set` cache object to optimize linear searches of large arrays.
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*
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* @private
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* @param {Array} [values] The values to cache.
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* @returns {null|Object} Returns the new cache object if `Set` is supported, else `null`.
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*/
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function createCache(values) {
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return (nativeCreate && Set) ? new SetCache(values) : null;
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}
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module.exports = createCache;
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